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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning MP: Dyno day with Stage 2 M235i. JB4 and Flash Tuning results

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      04-11-2016, 02:56 PM   #45
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Quote:
Originally Posted by Anthony235 View Post
You can't adjust boost with JB4 stacked on it?

I've read the same thing about the FPL and N55. There does seem to be some correlation though, because I see it change as expected when I adjust my boost/FOL. Anyone know?

Your timing looks much better in that last log. Yes, your FPH is at the limit it appears. I would lower your ethanol a little.


Really you should log in 4th or even 5th. I think 5th is the best.

Short >3rd gear runs can hide a lot of possible issues.

Just my opinions. I'm still learning Jb4.
You can adjust boost with JB4 Map 6 stacked, but I am reserving that Map for ethanol mix.How much E85 do you typically run on your car?

I'm a 6spd. I'm already going 110+ topping 3rd gear

8spd is another story though.
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      04-11-2016, 03:10 PM   #46
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Are you running any upgrades to your fuel system?
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      04-11-2016, 03:12 PM   #47
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Are you running any upgrades to your fuel system?
There are no beneficial upgrades for me, stg 2 LPFP doesn't help my situation. TBI or PI should help, but its overkill for stock turbo imo
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      04-11-2016, 04:02 PM   #48
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Quote:
Originally Posted by ocN55 View Post
You can adjust boost with JB4 Map 6 stacked, but I am reserving that Map for ethanol mix.How much E85 do you typically run on your car?

I'm a 6spd. I'm already going 110+ topping 3rd gear

8spd is another story though.
I hit a little over 120 (closer to 130 i think) in 5th. Just saying the higher gear you can log the better.

I run 91 pump + e85 = e35. Here is my latest log. You'll have to convert to .csv file since this site doesn't allow .csv it appears.
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File Type: txt 2016-04-10 11_50_46 - Copy.txt (6.8 KB, 267 views)

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      04-11-2016, 06:45 PM   #49
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Quote:
Originally Posted by Anthony235 View Post
I hit a little over 120 (closer to 130 i think) in 5th. Just saying the higher gear you can log the better.

I run 91 pump + e85 = e35. Here is my latest log. You'll have to convert to .csv file since this site doesn't allow .csv it appears.
I think most of the time they choose the gear that is close as possible as a 1 to 1. So that would be 4th for auto's and 3 for manual.
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      04-11-2016, 08:18 PM   #50
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Quote:
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I think most of the time they choose the gear that is close as possible as a 1 to 1. So that would be 4th for auto's and 3 for manual.
On a dyno sure. But it's hard to find a private track in socal where I can top out a 1:1 gear. 4th gear tops at 140 for me, 5th gear 150+

Also Terry suggests logging in 3rd gear for 6MT and 6AT cars. 4th gear on dynos.
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      04-11-2016, 09:19 PM   #51
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Quote:
Originally Posted by ocN55 View Post
On a dyno sure. But it's hard to find a private track in socal where I can top out a 1:1 gear. 4th gear tops at 140 for me, 5th gear 150+

Also Terry suggests logging in 3rd gear for 6MT and 6AT cars. 4th gear on dynos.
I thought in the manual the one to one is 3rd?
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      04-11-2016, 10:44 PM   #52
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Quote:
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Quote:
Originally Posted by ocN55 View Post
On a dyno sure. But it's hard to find a private track in socal where I can top out a 1:1 gear. 4th gear tops at 140 for me, 5th gear 150+

Also Terry suggests logging in 3rd gear for 6MT and 6AT cars. 4th gear on dynos.
I thought in the manual the one to one is 3rd?
1:1? No way. 1:1 gear ratio is the one right before your overdrive or cruising gear, which is 6th in my case
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      04-12-2016, 08:08 AM   #53
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Quote:
Originally Posted by ocN55 View Post
1:1? No way. 1:1 gear ratio is the one right before your overdrive or cruising gear, which is 6th in my case
Gotcha, yeah i understand the pain if running logs when you don't have a good place to do it. I had the same issue on my last car.
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      04-12-2016, 09:49 AM   #54
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I would post your logs over on the support forum at n54tech. Get BMS to have a look just in case.

Enjoy the car. I'm in Socal too
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      04-25-2016, 10:48 PM   #55
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Quote:
Originally Posted by Anthony235 View Post
I would post your logs over on the support forum at n54tech. Get BMS to have a look just in case.

Enjoy the car. I'm in Socal too
ocN55 did ?
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      04-25-2016, 11:36 PM   #56
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Quote:
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ocN55 did ?
Yup, I've been told my logs are quite clean. Aside from one diagnostic log.
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      04-26-2016, 09:39 AM   #57
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Quote:
Originally Posted by ocN55 View Post
Yup, I've been told my logs are quite clean. Aside from one diagnostic log.
Good to hear. Your timing did look better in the last log, but FPH still seemed at the limit to me.
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      05-06-2016, 12:58 PM   #58
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ocN55,

Still running ok?

I like the AFR and less boost/more power.

Interested in running this with JB4 stack and Pure stage 2.
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      05-06-2016, 01:01 PM   #59
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Quote:
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ocN55,

Still running ok?

I like the AFR and less boost/more power.

Interested in running this with JB4 stack and Pure stage 2.
Ya, tune is lovely. MissionPerformance is making a new flash for me and it should be ready soon. He is remapping the electronic wastegate, should be interesting!
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      05-06-2016, 01:02 PM   #60
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MissionPerformance Are we still planning on stacking the JB4 with flash next dyno day?
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      05-06-2016, 01:16 PM   #61
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Quote:
Originally Posted by ocN55 View Post
Ya, tune is lovely. MissionPerformance is making a new flash for me and it should be ready soon. He is remapping the electronic wastegate, should be interesting!
I would prefer to drop the Jb4 if there was a way to easily switch maps with the MP flash.

So nice to switch between map 6 ethanol map and map 1 for pump with jb4. Though I run e35 99% of the time...

Maybe they can integrate map switching with dash controls like my previous cars.

Keep us posted.
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      05-06-2016, 01:21 PM   #62
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Quote:
Originally Posted by ocN55 View Post
MissionPerformance Are we still planning on stacking the JB4 with flash next dyno day?
Yes we are. There are few others that have contacted us regarding stacking option for M235, so we will have it rolled out soon. We were able to get more power from Bmw doubles's car by completely reworking the wastegate and turbo mapping, so that means we should be able to get more power from your car as well during next dyno session before we start stacking. Its looking like BMW Doubles and I should have time next week for dyno session, so maybe you will join?
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      05-06-2016, 01:27 PM   #63
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Quote:
Originally Posted by MissionPerformance View Post
Yes we are. There are few others that have contacted us regarding stacking option for M235, so we will have it rolled out soon. We were able to get more power from Bmw doubles's car by completely reworking the wastegate and turbo mapping, so that means we should be able to get more power from your car as well during next dyno session before we start stacking. Its looking like BMW Doubles and I should have time next week for dyno session, so maybe you will join?
I'm local too. Mind if I stop by for the dyno session?

If so please provide details
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      05-06-2016, 01:34 PM   #64
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Quote:
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Yes we are. There are few others that have contacted us regarding stacking option for M235, so we will have it rolled out soon. We were able to get more power from Bmw doubles's car by completely reworking the wastegate and turbo mapping, so that means we should be able to get more power from your car as well during next dyno session before we start stacking. Its looking like BMW Doubles and I should have time next week for dyno session, so maybe you will join?
Yes, all of the next week is good for me, I am off school after this week.
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      05-06-2016, 02:00 PM   #65
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Originally Posted by ocN55 View Post
Yes, all of the next week is good for me, I am off school after this week.
Ill give you a call Monday to figure out the details.

Quote:
Originally Posted by Anthony235 View Post
I'm local too. Mind if I stop by for the dyno session?

If so please provide details
Sounds good, we will be happy to have you visit. PM me with your number so I can call/text you with details.
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      05-06-2016, 02:06 PM   #66
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A little sneak peek at the current stage of N63tu flash. We will be fine tuning this car on the dyno that day, but for now results are promising considering the car is on 91 pump using stock downpipes.

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